Laredo, Texas Weather:
Active Weather Warnings
Thursday, May 21, 2026
Sunny with a Chance of Thunderstorms
Day 88°
Night 73°
Precipitation 98 %
Wind 7 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (May 21, 2025)
Sunny with a Chance of Thunderstorms

Day

95°

Night

77°

Wind

9 mph

UV Index

11

Precipitation

90 %

Weather Alerts and Warnings for

Severe Future Possible

Flood Watch

Flood Watch issued May 20 at 11:30AM CDT until May 25 at 7:00PM CDT by NWS Corpus Christi TX
May 21, 1:00 AM May 25, 7:00 PM
WHAT: Flooding caused by excessive rainfall is possible.

WHERE: All of South Texas

WHEN: From late tonight through Monday evening.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas.

ADDITIONAL DETAILS:
- Due to recent rainfall, the 3 hour flash flood guidance has
fallen below 2.5" for much of the eastern half of South Texas
with some spots below 0.50". Locations out west are sitting at
2.5-3" in the 3 hour flash flood guidance. With the expectation
of more rain this week and into the weekend, flooding will be
possible, especially within the strongest thunderstorms.
- http://www.weather.gov/safety/flood
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You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: May 20, 5:52 PM Source: NWS Alert